Quantitative Developer

Fionics

Join Fionics as a Quantitative Developer to translate Python research into production C++ and contribute to trading strategies in a systematic prop firm.

Last checked on June 14, 2026. We may earn a commission when you click through.

✓ Direct impact on trading strategies ✓ Opportunity to work with advanced technologies ✓ Collaborative team environment

This listing may have expired or is no longer available. Information shown may be outdated.

Quantitative Developer

Fionics

Updated 3 months ago

Apply now →

You'll be redirected to uk.talent.com

London

A promising opportunity for skilled developers interested in finance, but it may not suit those seeking a relaxed work culture.

About this role

Join Fionics as a Quantitative Developer to translate Python research into production C++ and contribute to trading strategies in a systematic prop firm.

About the Company

Fionics is a systematic proprietary trading firm focusing on deep learning and quantitative research to trade global markets.

Key Highlights

✓ Work in a small, impactful technical team
✓ Translate research from Python to C++
✓ Contribute to trading strategy and P&L
✓ Focus on backtesting and research production
✓ Engage with cutting-edge technology

💡 Honest Take: This role is thrive in a fast-paced, technical environment and want to make a tangible impact on trading outcomes.

Pros

✓ Direct impact on trading strategies
✓ Opportunity to work with advanced technologies
✓ Collaborative team environment
✓ Potential for career growth in finance

Cons

✗ High-pressure environment
✗ Limited remote work options
✗ Requires strong technical skills
✗ May involve long hours during critical periods

Best For: This position is tailored for those passionate about finance and technology, looking to leverage their programming skills in trading.

Watch Out: Candidates should be prepared for a demanding work culture that prioritises results and technical excellence.

Apply for this position →

You'll be redirected to uk.talent.com

Expert Review

The Quantitative Developer position at Fionics offers merge programming expertise with financial strategy. Translating research from Python to C++ is a key responsibility, allowing developers to directly influence trading outcomes. The firm operates in a high-stakes environment, which can lead to intense pressure but also significant rewards.

With a focus on systematic trading and deep learning, Fionics is at the forefront of integrating technology into finance. The small team structure means every member's contribution is vital, providing a sense of ownership and impact not found in larger organisations. However, the expectation for high performance may not suit everyone.

For those with a passion for finance and a technical skill set, this role presents a compelling career path. The environment is less about routine tasks and more about and rapid problem-solving. Candidates should note that the firm has limited remote work options, for some.

Overall, this position can be a launchpad for a successful career in quantitative finance.